問題詳情

12. Testosterone is synthesized primarily by the ________.
(A) Leydig cells
(B) hypothalamus
(C) sperm cells
(D) anterior pituitary gland
(E) seminiferous tubules

參考答案

答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)